CN210861633U - Shell assembly and air conditioner with same - Google Patents

Abstract

The utility model discloses a casing subassembly and air conditioner that has it, casing subassembly includes: a front housing; the rear shell is opposite to the front shell and is matched and connected with the front shell; the lower ends of the front shell and the rear shell are respectively arranged on the chassis and are in fit connection with the chassis; the supporting part, the supporting part includes two first support pieces, two first support piece is located the procapsid with between the back casing, every first support piece inclines the setting backward from supreme direction down, two the lower extreme of first support piece with the chassis is connected and is located respectively the left and right sides on chassis, two the upper end of first support piece connect in back casing. The utility model discloses a housing assembly can avoid appearing rocking and empting effectively, and stability and reliability are high.

Description

Shell assembly and air conditioner with same

Technical Field

The utility model belongs to the technical field of air conditioning's technique and specifically relates to a casing subassembly and air conditioner that has it is related to.

Background

In the related art, the case assembly of the air conditioner is easily shaken and toppled under the condition of being subjected to an external force, so that the stability and reliability of the case assembly are poor, and the structure of the case assembly is to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a housing assembly for an air conditioner, which can effectively avoid shaking and dumping, and has high stability and reliability.

The utility model also provides an air conditioner, including foretell casing assembly.

According to the utility model discloses casing assembly of air conditioner, include: a front housing; the rear shell is opposite to the front shell and is matched and connected with the front shell; the lower ends of the front shell and the rear shell are respectively arranged on the chassis and are in fit connection with the chassis; the supporting part, the supporting part includes two first support pieces, two first support piece is located the procapsid with between the back casing, every first support piece inclines the setting backward from supreme direction down, two the lower extreme of first support piece with the chassis is connected and is located respectively the left and right sides on chassis, two the upper end of first support piece connect in back casing.

According to the utility model discloses casing assembly of air conditioner through setting up the supporting part, makes the supporting part include two first support pieces, and two first support pieces are located between procapsid and the back casing, and every first support piece inclines the setting backward on following supreme direction down, and two first support piece's lower extreme and chassis are connected and are located the left and right sides on chassis respectively, and two first support piece's upper end is connected in back casing. And then can avoid the casing subassembly to appear rocking and toppling over effectively, improve casing subassembly's stability and reliability.

According to some embodiments of the utility model, be equipped with two location portions on the chassis, two location portion and two first support piece one-to-one sets up, every the lower extreme of first support piece with correspond location portion cooperation is in order to fix on the chassis.

In some embodiments of the present invention, each of the positioning portions is provided with a positioning column and a first positioning hole, each of which is provided with a lower fixing plate, the lower fixing plate is provided with a first fitting hole matched with the positioning column and a second positioning hole opposite to the first positioning hole, and a part of the connecting member passes through the second positioning hole to extend into the first positioning hole so as to fix the first supporting member on the chassis.

In some embodiments of the present invention, a reinforcing rib plate is disposed between the lower fixing plate and the first supporting member.

In some embodiments of the present invention, the cross-sectional area of at least a portion of the positioning post tip increases gradually in the top-to-bottom direction.

According to some embodiments of the utility model, the air conditioner includes the new trend module, the new trend module is established just be located two on the chassis between the first support piece.

The utility model discloses an in some embodiments, be equipped with connecting portion on the chassis, be equipped with first connecting hole on the connecting portion, be equipped with the second connecting hole on the new trend module, a part of connecting piece passes the second connecting hole is in order to stretch into in the first connecting hole with will the new trend module is fixed on the chassis.

According to some embodiments of the present invention, the base plate is provided with a boss.

In some embodiments of the invention, the boss extends in a circumferential direction of the chassis.

In some embodiments of the invention, the boss is defined by a portion of the chassis projecting upwardly.

According to some embodiments of the utility model, be equipped with annular muscle on the chassis, annular muscle encircles the outward flange setting on chassis.

According to the utility model discloses air conditioner, include according to the utility model discloses the casing subassembly of above-mentioned embodiment.

According to the utility model discloses air conditioner, through setting up the basis the utility model discloses the casing subassembly of above-mentioned embodiment. And then can avoid the casing subassembly to appear rocking and toppling over effectively, improve the stability and the reliability of air conditioner.

According to some embodiments of the utility model, the air conditioner still includes the new trend module, the new trend module is established just be located two on the chassis between the first support piece.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic illustration of a housing assembly according to some embodiments of the present invention;

fig. 2 is a partial schematic view of a housing assembly according to some embodiments of the present invention;

fig. 3 is a partial exploded view of a housing assembly according to some embodiments of the present invention;

fig. 4 is a partial exploded view of a housing assembly according to some embodiments of the present invention;

fig. 5 is a schematic view of a chassis according to some embodiments of the present invention;

fig. 6 is a schematic view of a chassis according to some embodiments of the present invention;

fig. 7 is a schematic view of a chassis according to some embodiments of the present invention;

fig. 8 is a schematic view of a first support according to some embodiments of the present invention.

Reference numerals:

100. a housing assembly;

1. a front housing;

2. a rear housing;

21. a fitting portion; 211. a second mating hole; 22. the assembly groove 23 and the first assembly hole;

3. a chassis;

31. a positioning part; 311. a positioning column; 312. a first positioning hole;

32. a connecting portion; 321. a first connection hole;

33. a boss; 34. an annular rib; 35. a fixing column 351 and a first fixing hole;

36. assembling the column; 37. a second assembly hole; 38. a limiting part; 381. a limiting hole;

4. a support portion;

41. a first support member;

42. a lower fixing plate; 421. a first mating hole; 422. a second positioning hole;

43. reinforcing rib plates; 44. a second support member; 45. a third support member; 46. an upper fixing plate;

200. a fresh air module; 201. and a second connection hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A case assembly 100 of an air conditioner according to an embodiment of the present invention is described below with reference to the accompanying drawings, and as shown in fig. 1 to 4, the air conditioner may be a cabinet type air conditioner. The following description will be made in detail by taking an air conditioner as a cabinet.

As shown in fig. 1 and 2, a housing assembly 100 of an air conditioner according to an embodiment of the present invention includes: a front case 1, a rear case 2, a chassis 3, and a support 4.

Specifically, as shown in fig. 1, the rear case 2 is disposed opposite to the front case 1 and is connected to the front case 1 in a fitting manner, and the lower ends of the front case 1 and the rear case 2 are respectively disposed on the chassis 3 and connected to the chassis 3 in a fitting manner. Therefore, the front casing 1, the rear casing 2 and the chassis 3 are cooperatively connected to form an external appearance of the air conditioner.

As shown in fig. 2 and 3, the supporting portion 4 includes two first supporting members 41, the two first supporting members 41 are located between the front casing 1 and the rear casing 2, each first supporting member 41 is disposed to be inclined rearward in a direction from bottom to top, lower ends of the two first supporting members 41 are connected to the chassis 3 and located at left and right sides of the chassis 3, respectively, and upper ends of the two first supporting members 41 are connected to the rear casing 2.

It can be seen that, since each first support 41 is inclined backward in the direction from bottom to top, the lower end of the first support 41 is located at the front side of the upper end of the first support 41, and the lower end of the first support 41 is connected with the chassis 3 and the upper end is connected with the rear housing 2. It can be seen that the two first supporting members 41 can respectively apply a forward component and a downward component to the rear housing 2 at right and left sides of the chassis 3, so as to effectively prevent the housing assembly 100 from shaking and toppling. For example, when the housing assembly 100 is subjected to a rearward pushing force, the vertically forward component may counteract a certain pushing force, and may prevent the housing assembly 100 from tipping rearward to some extent. For another example, the vertically downward component of force may increase the friction between the bottom surface of the housing assembly 100 and the working surface supporting the housing assembly 100, as well as the supporting force of the working surface against the housing assembly 100. So that the phenomenon of the case assembly 100 shaking left and right can be effectively prevented. Whereby stability and reliability of the housing assembly 100 can be improved.

According to the utility model discloses casing assembly 100 of air conditioner, through setting up supporting part 4, make supporting part 4 include two first support pieces 41, two first support pieces 41 are located between procapsid 1 and the back casing 2, and every first support piece 41 inclines the setting backward in the direction from supreme down, and the lower extreme of two first support pieces 41 is connected with chassis 3 and is located chassis 3's the left and right sides respectively, and the upper end of two first support pieces 41 is connected in back casing 2. And further, the shaking and toppling of the shell assembly 100 can be effectively avoided, and the stability and reliability of the shell assembly 100 are improved.

As shown in fig. 5 and 7, according to some embodiments of the present invention, two positioning portions 31 are disposed on the chassis 3, the two positioning portions 31 are disposed in one-to-one correspondence with the two first supporting members 41, and the lower end of each first supporting member 41 is matched with the corresponding positioning portion 31 to be fixed on the chassis 3. It can be seen that the two first supporting members 41 are respectively fixedly connected to the chassis 3 by being engaged with the corresponding positioning portions 31 on the chassis 3. It will be appreciated that the two positioning portions 31 are located on the left and right sides of the chassis 3, so that the corresponding two first supports 41 can be effectively fixed.

As shown in fig. 7 and 8, in some embodiments of the present invention, each positioning portion 31 is provided with a positioning column 311 and a first positioning hole 312, the lower end of each first supporting member 41 is provided with a lower fixing plate 42, the lower fixing plate 42 is provided with a first matching hole 421 matched with the positioning column 311 and a second positioning hole 422 opposite to the first positioning hole 312, and a portion of the connecting member passes through the second positioning hole 422 to extend into the first positioning hole 312 so as to fix the first supporting member 41 on the chassis 3. It can be seen that each first support 41 can be fixedly connected to the chassis 3 by the lower fixing plate 42. Specifically, each first supporting piece 41 can firstly sleeve the first matching hole 421 on the corresponding positioning column 311, so that the first supporting piece 41 can be positioned to a certain extent, then the connecting piece is utilized to sequentially pass through the second positioning hole 422 and the first positioning hole 312, and then the lower fixing plate 42 can be reliably connected and fixed on the chassis 3, that is, the lower end of the first supporting piece 41 is reliably connected and fixed on the chassis 3, and further, the supporting effect of the first supporting piece 41 on the shell assembly 100 is favorably ensured, the shell assembly 100 can be effectively prevented from shaking and toppling over, and the reliability of the shell assembly 100 is improved. Meanwhile, the first supporting member 41 is fixed on the chassis 3 in a simple and reliable manner, and is convenient to operate.

As shown in fig. 8, in some embodiments of the present invention, a reinforcing rib plate 43 is disposed between the lower fixing plate 42 and the first supporting member 41. Therefore, the strength and reliability of the fitting connection between the lower end of the first support 41 and the chassis 3 can be improved, and the reliability of the housing assembly 100 can be improved.

Specifically, the lower fixing plate 42 is integrally formed with the first support 41. So that the structural strength of the first support 41 and the reliability of the fitting connection of the first support 41 to the chassis 3 can be improved. Specifically, as shown in fig. 2, 3 and 8, the lower fixing plate 42 is defined by the first supporting member 41 being bent forward, and the reinforcing rib plate 43 is provided at the bent portion. Thereby simplifying the manufacturing method of the lower fixing plate 42 and enhancing the structural strength of the first supporter 41.

It should be noted that the lower fixing plate 42 and the first supporting member 41 may be a single piece. For example, the lower fixing plate 42 is fixed to the lower end of the first support 41 by welding or riveting. Of course, the connection mode of the lower fixing plate 42 and the first supporting member 41 may be other modes as long as the reliability of the lower fixing plate 42 arranged at the lower end of the first supporting member 41 is ensured.

As shown in fig. 7, in some embodiments of the present invention, the cross-sectional area of at least a portion of the top end of the positioning column 311 gradually increases in the top-to-bottom direction. Therefore, the cross-sectional area of the top end of the positioning column 311 is relatively small, and in the direction from top to bottom, the structure that the cross-sectional area of the positioning column 31 is gradually increased can play a role in guiding the lower fixing plate 42 to a certain extent, so that the first matching hole 421 on the lower fixing plate 42 is conveniently sleeved on the positioning column 311, and the assembly efficiency of the shell assembly 100 is improved.

As shown in fig. 2 and 3, in some embodiments of the present invention, the supporting portion 4 further includes a second supporting member 44 and two third supporting members 45, each third supporting member 45 extends along the up-down direction, the two third supporting members 45 are disposed in parallel and at intervals, the two third supporting members 45 are respectively disposed on the edges of the left and right sides of the rear housing 2, the second supporting member 44 is disposed perpendicular to the third supporting members 45, and two ends of the second supporting member 44 are respectively fixedly connected (specifically, by means of screw connection, snap connection or interference fit) to the two third supporting members 45. As shown in fig. 5 and 7, the chassis 3 is provided with two fixing posts 35 spaced apart from each other in the left-right direction, and each fixing post 35 is provided with a first fixing hole 351. As shown in fig. 3, the lower end of the rear housing 2 is provided with a fitting portion 21, the fitting portion 21 is provided with a second fitting hole 211 suitable for being sleeved on the fixing post 35, the lower end of the third supporting member 45 abuts against the fitting portion 21, the third supporting member 45 is provided with a second fixing hole opposite to the first fixing hole 351, and the connecting member sequentially passes through the second fixing hole and the first fixing hole 351 to fixedly connect the lower end of the third supporting member 45 to the chassis 3.

Further, as shown in fig. 2, 3 and 8, an upper fixing plate 46 is provided at an upper end of each of the first supporting members 41, and the upper fixing plate 46 is fixed to the second supporting member 44 by a connecting member. Wherein a reinforcing rib plate 43 is arranged between the upper fixing plate 46 and the first supporting member 41. Therefore, the strength and reliability of the fitting connection between the upper end of the first support 41 and the second support 44 can be improved, and the reliability of the housing assembly 100 can be improved.

Specifically, the upper fixing plate 46 is integrally formed with the first support 41. So that the structural strength of the first support 41 and the reliability of the fitting connection of the first support 41 and the second support 44 can be improved. Specifically, the upper fixing plate 46 is defined by the first support 41 being bent upward, and the reinforcing rib plate 43 is provided at the bent portion. Thereby simplifying the manufacturing method of the upper fixing plate 46 and enhancing the structural strength of the first supporter 41.

It should be noted that the upper fixing plate 46 and the first supporting member 41 may be a single piece. For example, an upper fixing plate 46 is fixed to the upper end of the first support 41 by welding or riveting. Of course, the connection mode of the upper fixing plate 46 and the first supporting member 41 may be other modes as long as the reliability of the upper fixing plate 46 arranged at the upper end of the first supporting member 41 is ensured.

As shown in fig. 2, according to some embodiments of the present invention, the air conditioner includes a fresh air module 200, and the fresh air module 200 is disposed on the chassis 3 and between the two first supporting members 41. Therefore, the arrangement of the fresh air module 200 enables the air conditioner to introduce fresh air into the room, and the indoor air quality is improved. Specifically, the fresh air module 200 is located between the front case 1 and the rear case 2.

In some embodiments of the present invention, as shown in fig. 2, fig. 3 and fig. 7, the chassis 3 is provided with a connecting portion 32, the connecting portion 32 is provided with a first connecting hole 321, the fresh air module 200 is provided with a second connecting hole 201, and a portion of the connecting member passes through the second connecting hole 201 to extend into the first connecting hole 321 so as to fix the fresh air module 200 on the chassis 3. Therefore, the fresh air module 200 is fixed on the chassis 3, and the manner of fixing the fresh air module 200 on the chassis 3 is simple and reliable, and is convenient to operate.

Alternatively, as shown in fig. 3 and 7, the connecting portion 32 is provided in a plurality and spaced apart, and each connecting portion 32 is provided with a first connecting hole 321. As shown in fig. 2, the fresh air module 200 is provided with a plurality of second connection holes 201, and the plurality of first connection holes 321 and the plurality of second connection holes 201 are arranged in a one-to-one correspondence manner. Therefore, the plurality of connecting pieces can be utilized to sequentially penetrate through each pair of the first connecting holes 321 and the second connecting holes 201, so that the reliability of the fresh air module 200 arranged on the chassis 3 can be improved, and the reliability of the air conditioner is improved. Specifically, as shown in fig. 2, the second connection holes 201 are located at the front side of the corresponding first connection holes 321. Thereby being convenient for the assembly of new trend module 200, easy operation. Meanwhile, the reliability of the fresh air module 200 arranged on the chassis 3 can be improved.

As shown in fig. 3 and 7, according to some embodiments of the present invention, a boss 33 is provided on the chassis 3. Therefore, the rigidity of the chassis 3 can be improved, the possibility of stress deformation of the chassis 3 is reduced, the shell assembly 100 is prevented from shaking, and the reliability of the shell assembly 100 is improved.

As shown in fig. 3 and 7, in some embodiments of the present invention, the boss 33 extends in the circumferential direction of the base plate 3. So that the rigidity of the chassis 3 can be further improved.

Optionally, the bosses 33 are plural and spaced apart along the axial direction of the chassis 3.

Alternatively, as shown in fig. 7, the boss 33 is annular and disposed around the center of the chassis 3, so that the rigidity of the chassis 3 can be effectively improved, the possibility of deformation of the chassis 3 due to stress is reduced, the housing assembly 100 is prevented from shaking, and the reliability of the housing assembly 100 is improved.

In some embodiments of the present invention, the boss 33 is defined by a portion of the chassis 3 protruding upward. Thereby, the strength and reliability of the chassis 3 can be improved, and the reliability of the case assembly 100 can be improved. Meanwhile, the chassis 3 is simple in structure and convenient to manufacture.

As shown in fig. 6, according to some embodiments of the present invention, the chassis 3 is provided with an annular rib 34, and the annular rib 34 is disposed around the outer edge of the chassis 3. Thereby, the strength of the outer edge of the chassis 3 can be effectively improved, the edge of the chassis 3 can be effectively prevented from cracking, the structural strength and reliability of the chassis 3 can be improved, and the reliability of the case assembly 100 can be improved.

Specifically, the annular rib 34 is integrally formed with the chassis 3. So that the production efficiency and the assembly efficiency of the housing assembly 100 can be improved. While ensuring the strength of the outer edge of the chassis 3.

As shown in fig. 4, 5 and 7, according to some embodiments of the present invention, the lower end of the rear housing 2 is provided with a plurality of assembling grooves 22 arranged at intervals, the chassis 3 is provided with a plurality of assembling posts 36, the assembling posts 36 and the assembling grooves 22 are arranged in a one-to-one correspondence manner, and each assembling post 36 is suitable for extending into the corresponding assembling groove 22. When the rear shell 2 is connected with the chassis 3 in a matching manner, the plurality of assembling posts 36 can be inserted into the corresponding assembling grooves 22, so that the rear shell 2 can be positioned on the chassis 3, the movement of the rear shell 2 in the front-back direction and the left-right direction is limited to a certain extent, and the rear shell 2 is limited.

Further, as shown in fig. 4, 5 and 7, a plurality of first assembly holes 23 are formed in the rear case 2, a plurality of second assembly holes 37 are formed in the chassis 3, the plurality of first assembly holes 23 and the plurality of first assembly holes 23 are arranged in a one-to-one correspondence, and the connecting member sequentially passes through the first assembly holes 23 and the second assembly holes 37 to fix the rear case 2 to the chassis 3. Therefore, after the rear housing 2 is limited in the front-rear direction and the left-right direction with respect to the chassis 3, the rear housing 2 can be fixed to the chassis 3 by the connecting member, so that the up-down direction of the rear housing 2 is also limited, and the rear housing 2 is stably provided on the chassis 3.

Alternatively, as shown in fig. 5 and 7, a plurality of second fitting holes 37 are provided to intersect with the plurality of fitting posts 36. So that the reliability of fixing the rear case 2 to the chassis 3 can be further improved.

As shown in fig. 7, according to some embodiments of the present invention, the chassis 3 is provided with a limiting portion 38, the limiting portion 38 is provided with a limiting hole 381, and the front housing 1 is connected to the limiting hole 381 through a connecting member to be fixed on the chassis 3. The plurality of limiting parts 38 are distributed at intervals, so that the reliability of the front case 1 arranged on the chassis 3 can be improved. The stability and reliability of the housing assembly 100 as a whole are improved. Specifically, as shown in fig. 2, 3 and 7, when the connecting portion 32 in the above-described embodiment is further provided on the chassis 3, the height of the stopper portion 38 in the up-down direction is larger than that of the connecting portion 32, and the stopper hole 381 is located above the first connecting hole 321. Thereby, mutual interference during assembly can be avoided, and the reliability of the housing assembly 100 can be improved. When there are a plurality of the position-limiting portions 38, the position-limiting portions 38 are located on both the left and right sides of the connecting portion 32.

According to the utility model discloses the air conditioner, include according to the utility model discloses the casing subassembly 100 of above-mentioned embodiment.

According to the utility model discloses air conditioner, through setting up the basis the utility model discloses the casing subassembly 100 of above-mentioned embodiment. Thereby effectively preventing the housing assembly 100 from shaking and falling and improving the stability and reliability of the air conditioner.

According to some embodiments of the utility model, the air conditioner still includes new trend module 200, and new trend module 200 is established on chassis 3 and is located between two first supports 41. Therefore, the arrangement of the fresh air module 200 enables the air conditioner to introduce fresh air into the room, and the indoor air quality is improved. Specifically, the fresh air module 200 is located between the front case 1 and the rear case 2.

Other configurations and operations of the air conditioner according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. A housing assembly for an air conditioner, comprising:

a front housing;

the rear shell is opposite to the front shell and is matched and connected with the front shell;

the lower ends of the front shell and the rear shell are respectively arranged on the chassis and are in fit connection with the chassis;

the supporting part, the supporting part includes two first support pieces, two first support piece is located the procapsid with between the back casing, every first support piece inclines the setting backward from supreme direction down, two the lower extreme of first support piece with the chassis is connected and is located respectively the left and right sides on chassis, two the upper end of first support piece connect in back casing.

2. The casing assembly of an air conditioner as claimed in claim 1, wherein the base plate is provided with two positioning portions, the two positioning portions are disposed in one-to-one correspondence with the two first supporting members, and a lower end of each of the first supporting members is fitted with the corresponding positioning portion to be fixed on the base plate.

3. The casing assembly of an air conditioner as claimed in claim 2, wherein each of the positioning portions has a positioning post and a first positioning hole, the lower end of each of the first supporting members has a lower fixing plate, the lower fixing plate has a first fitting hole for fitting with the positioning post and a second positioning hole opposite to the first positioning hole, and a part of the connecting member passes through the second positioning hole to extend into the first positioning hole to fix the first supporting member on the base plate.

4. The casing assembly of an air conditioner according to claim 3, wherein a reinforcing rib plate is provided between the lower fixing plate and the first supporter.

5. A housing assembly for an air conditioner according to claim 3, wherein at least a part of the top end of said positioning post is gradually increased in cross-sectional area in the top-to-bottom direction.

6. The air conditioner housing assembly as recited in claim 1, wherein said air conditioner includes a fresh air module disposed on said base pan between said first supports.

7. The air conditioner casing assembly of claim 6, wherein the base plate is provided with a connection portion, the connection portion is provided with a first connection hole, the fresh air module is provided with a second connection hole, and a portion of the connection member passes through the second connection hole to protrude into the first connection hole to fix the fresh air module on the base plate.

8. The housing assembly of an air conditioner according to claim 1, wherein a boss is provided on the base plate.

9. The housing assembly of an air conditioner according to claim 8, wherein the boss extends in a circumferential direction of the base pan.

10. The air conditioner case assembly as claimed in claim 8, wherein the boss is defined by a portion of the base pan protruding upward.

11. An air conditioner housing assembly as set forth in any one of claims 1-10 wherein said base pan is provided with an annular rib disposed around an outer edge of said base pan.

12. An air conditioner characterized by comprising a housing assembly according to any one of claims 1-11.

13. The air conditioner of claim 12, further comprising a fresh air module disposed on the base pan between the two first supports.

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